The Zope Web Framework
Table of Contents
- 1.0b3 (2010-07-11)
- 1.0b2 (2010-06-30)
- 1.0b1 (2010-04-27)
- 1.0a5 (2010-03-28)
- 1.0a4 (2010-03-07)
- 1.0a3 (2010-03-07)
- 1.0a2 (2010-03-02)
- 1.0a1 (2010-02-06)
- 0.1.9 (2010-01-13)
- 0.1.8 (2010-01-12)
- 0.1.7 (2010-01-10)
- 0.1.6 (2010-01-07)
- 0.1.5 (2010-01-07)
- 0.1.4 (2010-01-04)
- 0.1.3 (2010-01-04)
- 0.1.2 (2010-01-03)
- 0.1.1 (2010-01-02)
- 0.1.0 (2010-01-02)
BlueBream – formerly known as Zope 3 – is a web framework written in the Python programming language.
Here are the features distinguishing BlueBream from other Python web frameworks:
- BlueBream is built on top of the Zope Toolkit (ZTK), which has many years of experience proving it meets the demanding requirements for stable, scalable software.
- BlueBream uses the powerful and familiar Buildout building system written in Python.
- BlueBream employs the Zope Object Database ZODB, a transactional object database, providing extremely powerful and easy to use persistence.
- BlueBream registers components with Zope Component Markup Language (ZCML), an XML based configuration language, providing limitless flexibility.
- BlueBream features the Zope Component Architecture (ZCA) which implements Separation of concerns to create highly cohesive reusable components (zope.component).
- BlueBream implements the WSGI specification (Web Server Gateway Interface) with the help of PasteDeploy.
- BlueBream includes a number of well tested components to implement
common activities. A few of these are:
- zope.publisher publishes Python objects on the web, emphasizing WSGI compatibility
- zope.security provides a generic mechanism for pluggable security policies
- zope.testing and zope.testbrowser offer unit and functional testing frameworks
- zope.pagetemplate is an XHTML-compliant language for developing templates
- zope.schema is a schema engine to describe your data models
- zope.formlib is a tool for automatically generating forms from your schemas
$ easy_install bluebream
Internet access to PyPI is required to perform installation of BlueBream.
The bluebream distribution provides a quick project creation tool based on PasteScript templates. Once BlueBream is installed, run paster command to create the project directory structure. The create sub-command provided by paster will show a wizard to create the project directory structure.
$ paster create -t bluebream
This will bring a wizard asking details about your new project. If you provide a package name and version number, you will get a working application which can be modified further. The project name will be used as the egg name. You can also change the values provided later.
The project name can be given as a command line argument:
$ paster create -t bluebream sampleproject
You can provide a dotted name so that the package be created in a namespace, with any number of levels, such as “sample.main” or “sample.app.main”. It will result in a nested structure allowing you to split large projects into several packages.
If you provide an option from the command line, it will not be prompted by the wizard. The other variables are given below, you can give the values from the command line, if required:
- interpreter – Name of the custom Python interpreter
- bluebream – The version of BlueBream
- version – The version of your project
- description – One-line description of the package
- long_description – Multi-line description (in reStructuredText)
- keywords – Space-separated keywords/tags
- author – Author name
- author_email – Author email
- url – URL of the homepage
- license_name – License name
If you are in a hurry, you can simply press Enter/Return key and change the values later. But it would be a good idea, if you provide a good name for your project.
The generated package is bundled with Buildout configuration and the Buildout bootstrap script (bootstrap.py). First you need to bootstrap the buildout itself:
$ cd sampleproject $ python bootstrap.py
The bootstrap script will install the zc.buildout and distribute packages. Also, it will create the basic directory structure. Next step is building the application. To build the application, run the buildout:
The buildout script will download all dependencies and setup the environment to run your application.
The most common thing you need while developing an application is running the server. BlueBream use the paster command provided by PasteScript to run the WSGI server. To run the server, you can pass the PasteDeploy configuration file as the argument to serve sub-command as given here:
$ ./bin/paster serve debug.ini
Once you run the server, you can access it here: http://localhost:8080/ . The port number (8080) can be changed from the PasteDeploy configuration file (debug.ini).
The second most common thing must be running the test cases. BlueBream creates a testrunner using the zc.recipe.testrunner Buildout recipe. You can see a test command inside the bin directory. To run test cases, just run this command:
Sometimes you may want to get the debug shell. BlueBream provides a Python prompt with your application object. You can invoke the debug shell like this:
$ ./bin/paster shell debug.ini
More about the test runner and debug shell will be explained in the BlueBream Manual. You can continue reading about BlueBream from the documentation site.
The bugs and issues are tracked at launchpad.
IRC Channel: #bluebream at irc.freenode.net
The source code is managed at Zope reposistory. You can perform a read-only checkout of trunk code like this (Anonymous access):
svn co svn://svn.zope.org/repos/main/bluebream/trunk bluebream
- Directly depend on the ZTK!
- Removed the bbkit package
- Ask the version of BlueBream at project creation
- Automatically find and suggest the latest version online
- Include zope.error & zope.principalregistry from site.zcml
- Set name & description for the sample application
- Use project name as i18n_domain in base template
- Merge the two templates into a single one by allowing to create a flat or nested namespace structure, and choose the package name.
- Enabled Distribute by default instead of Setuptools
- Added zope.app.schema registrations to be able to register a named vocabulary
- removed buildout templating and include two zope.conf files, one for deployment and one for debugging with devmode
- Include the sample application in the bluebream_simple template
- Move the sample application provided by bluebream template to a sub-package named welcome similar to bluebream_simple The sample application can be easily removed.
- The sample application object use ‘zope.site.interfaces.IFolder` instead of zope.container.interfaces.IContainer
- Include zope.session from site.zcml
- Include browser namespace in site.zcml for convenience.
- Added an empty [versions] part in versions.cfg with a recommendation to pin-down versions of other dependencies.
- Remove zope.app.twisted from dependency list
- Since BlueBream requires ZODB 3.9, FileStorage need not be wrapped with BlobStorage proxy to get ZODB blobs support.
- The default ZODB blob layout should be ‘bushy’ Fix LP #543525
- Use relative paths in etc/zope.conf Fix LP #543451
- Specify i18n domain in ftesting.zcml Fix LP #543516
- zope.browserresource package registration was missing Fix LP #541457
- Added an empty PKG-INFO Work around fix for “empty directory” problem. (refer: LP #503301)
- The summary of bluebream_base template changed to: “A BlueBream project, base template”
- Enable bluebream_simple again. Documentation is available here: http://wiki.zope.org/bluebream/AlternateProjectTemplates
- Use a template to display default page for the root folder
- Use zope.formlib.form.DisplayForm as base class for views instead of zope.publisher.browser.BrowserView
- Sample application add form view name is changed from @@add to @@add_sample_app
- Add links to to BlueBream website & mailing list
- Added license file
- Improve “Usage” section in README.txt
- Include zest.release to prepare release
- Include bluebream_simple template (This will not be released with 1.0a2 as the documentation is not ready yet)
- Move bluebream template code to bluebream_base
- Add static resource directory with CSS to bluebream_base (based on bluebream_simple). The new style applied to main page.
- Use released package distribution versions: http://download.zope.org/bluebream/bluebream-1.0a1.cfg
- Include new packages to site.zcml template:
- zope.app.publisher.xmlrpc (meta.zcml)
- Changed template summary into: A BlueBream project
- Removed Sphinx-PyPI-upload – no more used as the website is moved to http://bluebream.zope.org
- Added zope.traversing.browser from site.zcml in the project template. Ref: http://bit.ly/80xltO
LP #506879: debug shell added. Basic usage:
./bin/paster shell debug.ini
- Use zope ZCML namespace as default in configure.zcml
- Documentation improvements
- Create a sample application by default
- Update version: zope.tales = 3.5.0
- LP #505362: Fix. Main package name is hard-coded as ‘main’
- Change ‘defaultView’ registration location and interface
- LP #505413: Name of default custom Python interpreter should be able to customize
- LP #502819: Main page after a fresh installation
- Removed hello view from template.
- LP #502941: Add trove classifiers.
- Mention all resources in PyPI page.
- LP #503388: Value of “namespace_package” should not be empty string.
- Updated description, added promotional video.
- LP #503301: Work around fix for “empty directory” problem.
- Change author as “BlueBream” team and email to zope-dev list.
- LP #502817: var directory and its subdirectories not exist
- Documentation improvements: added “Usage” section
- Added functional testing support for project
- Sphinx based documentation infrastruture improvements
- LP #502529: Update wizard to ask all package meta to be updated in setup.py
- Fix missing package data. The 0.1.0 releases was broken.
- Improve documentation.
- Initial release.
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